Drilldown: Patents

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Patents > Number of text pages: 3 & Number of diagram pages: 3-4

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Tech fields:
None (98) · airplane (87) · frame (65) · propulsion (53) · stability (51) · LTA (40) · navigation (37) · propeller (34) · construction (25) · rudder (23) · hybrid (22) · Flapping (21) · helicopter (19) · control (17) · wheels (17) · car (16)
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Supplementary to patent:
None (304) · Patent US-1912-1081794 (2)
Related to aircraft:
Patent agent:
None (84) · Victor J. Evans (17) · Munn & Co. (16) · Boult, Wade & Tennant (8) · Marks & Clerk (7) · None (7) · C. A. Snow & Co. (7) · H. B. Willson & Co. (6) · Herbert Haddan & Co. (4) · Joshua R. H. Potts (4) · J. Germain (4) · Armengaud jeune (3) · W. P. Thompson & Co. (3) · Haseltine, Lake & Co. (3) · James L. Norris (3) · Brewer & Son (3) · H. C. Everett Co. (3) · Church & Church (3) · A. B. Willson & Co. (3)
National tech categories:
None (120) · FR 6.4 (38) · USPC 244/48 (12) · USPC 244/80 (12) · USPC 244/90R (10) · USPC 244/6 (9) · HU V/h (8) · USPC 244/22 (8) · USPC 244/66 (7) · USPC 244/113 (6) · USPC 244/87 (6) · USPC 244/46 (6) · USPC 244/119 (5) · FR 6.3 (5) · USPC 244/45R (5) · USPC 244/35R (5) · USPC 244/70 (5)
IPCs:
None (200) · IPC B64C39/00 (25) · IPC B64B1/00 (19) · IPC B64C17/00 (12) · IPC B64C3/38 (10) · IPC B64C1/00 (9) · IPC B64C23/00 (8) · IPC B64C13/00 (8) · IPC B64C33/00 (6) · IPC B64C27/04 (5) · IPC B64C35/00 (5) · IPC B64C11/00 (5) · IPC B64C25/00 (4) · IPC B64C3/00 (4) · IPC B64C3/54 (3)
CPCs:
None (32) · CPC B64B1/00 (29) · CPC B64C17/00 (27) · CPC B64C23/005 (26) · CPC B64C3/385 (21) · CPC B64C2700/6295 (20) · CPC B64C13/00 (18) · CPC B64C39/005 (17) · CPC B64C33/02 (15) · CPC B64C39/08 (12) · CPC B64C39/00 (11) · CPC B64C33/00 (8) · CPC B64C11/006 (7) · CPC B64C2700/6274 (6) · CPC B64C3/14 (5) · CPC B64C3/40 (5) · CPC B64C9/00 (5) · CPC B64C2700/6256 (5)
First filing:
Citations from after 1930:
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